iranian president mahmoud ahmadinejad in new york for the u.n. session claims his country is only trying to enrich uranium for peaceful purposes. he says he is not worried about a potential strike by israel. and ahmadinejad's u.n. visit is prompting demonstrations outside the manhattan hotel where he is staying. chanting protesters carried flags, signs and banners with one demonstrator saying, "ahmadinejad heads a regime that is one of the world's leading state sponsors of terrorism." >> they are saying this might be his last trip ever to america, he probably won't be president after this second term in iran. and you know there is talk he may never get another american visa. >> another visa. >> this could be the very last time he comes to new york or america for all we know. >> who knows what he is going to say. it is always so inflammatory. and one, has to think, you are the president of iran. you come to the united nations, and you make all of these inflammatory statements. do you -- do you really believe this? how is, how is this helpful to yo